20202420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 45212748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 467, 515, 618, 721, 934, 1030, 1236, 1401, 1442, 1545, 1868, 2060, 2163, 2335, 2802, 2884, 3090, 3269, 3605, 4326, 4670, 5604, 6180, 6538, 7005, 7210, 8652, 9340, 9807, 10815, 13076, 14010, 14420, 16345, 19614, 21630, 28020, 32690, 39228, 43260, 48101, 49035, 65380, 96202, 98070, 144303, 192404, 196140, 240505, 288606, 336707, 481010, 577212, 673414, 721515, 962020, 1010121, 1346828, 1443030, 1683535, 2020242, 2886060, 3367070, 4040484, 5050605, 6734140, 10101210, 20202420]

約数ペア:

[(1, 20202420), (2, 10101210), (3, 6734140), (4, 5050605), (5, 4040484), (6, 3367070), (7, 2886060), (10, 2020242), (12, 1683535), (14, 1443030), (15, 1346828), (20, 1010121), (21, 962020), (28, 721515), (30, 673414), (35, 577212), (42, 481010), (60, 336707), (70, 288606), (84, 240505), (103, 196140), (105, 192404), (140, 144303), (206, 98070), (210, 96202), (309, 65380), (412, 49035), (420, 48101), (467, 43260), (515, 39228), (618, 32690), (721, 28020), (934, 21630), (1030, 19614), (1236, 16345), (1401, 14420), (1442, 14010), (1545, 13076), (1868, 10815), (2060, 9807), (2163, 9340), (2335, 8652), (2802, 7210), (2884, 7005), (3090, 6538), (3269, 6180), (3605, 5604), (4326, 4670)]